3KLR:
reference: High-resolution X-ray crystal structure of bovine H-protein at 0.88 A resolution., Higashiura A, Kurakane T, Matsuda M, Suzuki M, Inaka K, Sato M, Kobayashi T, Tanaka T, Tanaka H, Fujiwara K, Nakagawa A, Acta Crystallogr D Biol Crystallogr. 2010 Jun;66(Pt 6):698-708. Epub 2010 May 15. PMID: 20516622

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